MMC
From HwB
(Difference between revisions)
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| − | ''MMC=MultiMedia Card.'' | + | ''MMC = MultiMedia Card.'' |
[[Image:Crucial_MultiMediaCard.png|thumb|MMC card]] | [[Image:Crucial_MultiMediaCard.png|thumb|MMC card]] | ||
| + | |||
| + | MMC has been superseeded by [[MMCplus]]. Which is backward compatible with MMC, but has 13 pins instead of 7. | ||
Size is 32 x 24 x 1.4 mm. | Size is 32 x 24 x 1.4 mm. | ||
Revision as of 16:56, 31 March 2007
MMC = MultiMedia Card.
MMC has been superseeded by MMCplus. Which is backward compatible with MMC, but has 13 pins instead of 7.
Size is 32 x 24 x 1.4 mm.
Contents |
Pinout
MultiMedia Card Mode
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | RSV | Reserved for future use | |
| 2 | CMD |  PP) OD) |
Data In |
| 3 | VSS |  |
Supply voltage ground |
| 4 | VDD |  |
Supply voltage |
| 5 | CLK | |
Clock |
| 6 | VSS | |
Supply voltage ground |
| 7 | DAT | PP) |
Data |
Note: Direction is memory card relative to host.
PP) Push-pull.
OD) Open-drain.
SPI Mode
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | CS | |
Chip Select |
| 2 | DI | PP) |
Data In |
| 3 | VSS | |
Supply voltage ground |
| 4 | VDD | |
Supply voltage |
| 5 | CLK | |
Clock |
| 6 | VSS | |
Supply voltage ground |
| 7 | DAT | PP) |
Data Out |
Note: Direction is memory card relative to host.
PP) Push-pull.